21407190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101939}}^1$

素因数の和:101956

約数の個数: 32

約数和(自身を含む): 58717440

約数和(自身を除く): 37310250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 101939, 203878, 305817, 509695, 611634, 713573, 1019390, 1427146, 1529085, 2140719, 3058170, 3567865, 4281438, 7135730, 10703595, 21407190]

約数ペア:

[(1, 21407190), (2, 10703595), (3, 7135730), (5, 4281438), (6, 3567865), (7, 3058170), (10, 2140719), (14, 1529085), (15, 1427146), (21, 1019390), (30, 713573), (35, 611634), (42, 509695), (70, 305817), (105, 203878), (210, 101939)]